Amorphous Metal Transformer

Gnee Steel (Tianjin) Co., Ltd. is one of the most professional amorphous metal transformer manufacturers and suppliers in China. Welcome to wholesale customized amorphous metal transformer at competitive price from our factory. Good service and quality products are available.

GNEE Steel amorphous steel core transformer

An amorphous metal transformer (AMT) is a type of energy efficient transformer found on electric grids. The magnetic core of this transformer is made with a ferromagnetic amorphous metal. The typical material (Metglas) is an alloy of iron with boron, silicon, and phosphorus in the form of thin (e.g. 25 µm) foils rapidly cooled from melt. These materials have high magnetic susceptibility, very low coercivity and high electrical resistance. The high resistance and thin foils lead to low losses by eddy currents when subjected to alternating magnetic fields. On the downside amorphous alloys have a lower saturation induction and often a higher magnetostriction compared to conventional crystalline iron-silicon electrical steel.

amorphous distribution transformer

Core loss and copper loss

In a transformer the no-load loss is dominated by the core loss. With an amorphous core, this can be 70–80% lower than with traditional crystalline materials. The loss under heavy load is dominated by the resistance of the copper windings and thus called copper loss. Here the lower saturation magnetization of amorphous cores tends to result in a lower efficiency at full load. Using more copper and core material it is possible to compensate for this. So high efficiency AMTs can be more efficient at low and high load, though at a larger size. The more expensive amorphous core material, the more difficult handling and the need for more copper windings make an AMT more expensive than a traditional transformer.

amorphous alloy transformer

Q: Are you a Manufacturer, factory or Trading company ?
A: Yes, We are engaging in the research and development, production and operation of transformer for over years.

Q: What's your warranty terms?
A: We offer 12 months warranty time.

Q: Production Time?
A: 30 to 45 days or depending on order requirements.

Q: What's your payment terms?
A: T/T , L/C or negotiation.

Q: How do you conduct quality control in your factory?
A: We implement 100% QC inspection to ensure every product is qualified. We have over 10 times QC inspections during the manufacturing process from raw material to the final products.

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